diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 9d2b391..9f0c95c 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -53,6 +53,10 @@ jobs:
         path: .venv
         key: ${{ runner.os }}-poetry-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
 
+    - name: Install local dependencies
+      if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
+      run: poetry install --no-interaction
+
     - name: Install Django
       run: |
         pip install 'django${{ matrix.django-version }}'